MA

Masatugu Arai

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,820,071 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5196756 Stack-type piezoelectric element, process for producing the same, and stack-type piezoelectric device Akiomi Kohno, Takeshi Harada 1993-03-23